How do you use Ant contrib?

Create a directory called ant. lib\ant-contrib inside your project, then put the ant-contrib*. jar in this folder. You can use this method for other optional Ant tasks that you might need (for example, Ivy, Findbugs, Cobrrtura, etc).

How many ways can we set properties in to build Ant file?

There are seven ways to set properties:

• By supplying both the name and one of value or location attributes.
• By supplying the name and nested text.
• By supplying both the name and refid attributes.
• By setting the file attribute with the filename of the property file to load.

What is Maven Antrun plugin?

This plugin provides the ability to run Ant tasks from within Maven. It is not the intention of this plugin to provide a means of polluting the POM, so it’s encouraged to move all your Ant tasks to a build. xml file and just call it from the POM using Ant’s task.

How do you set up an ant?

3.1. Install Ant

1. Unzip the downloaded file to the directory of your choice.
2. Create an environment variable called ANT_HOME pointing to the Ant installation directory.
3. Add $ANT_HOME/bin to the system path to be able to run ant from the command line.
4. Verify your Ant installation.

How do I make an ant project?

Setting up ant build for Java Workspace in Eclipse

1. Open the Java project in Eclipse.
2. Right click the project.
3. Go to Export.
4. In the General section select Ant build files and click “Next”
5. Select the project you want to build, un-check “Create target to compile project using Eclipse compiler”, and click “Finish”

What are Ant scripts?

Ant is a Java-based build tool created as part of the Apache open-source project. Ant scripts have a structure and are written in XML. Similar to make, Ant targets can depend on other targets. For example, Ant is used in the context of plug-in development in the build.

How do I set properties in ant?

The task is used to set the Ant properties. The property value is immutable, once the value is set you cannot change it. To set a property to a specific value you use Name/value assignment. To set a property to a location you use Name/location assignment.

How do I set system properties in ant?

To specify a System Property we use the sysproperty attribute of the java task. We’ll change the run target to assign the value blue to the key test.

What is Macrodef in ant?

Description. This defines a new task using a nested task as a template. Nested elements and are used to specify attributes and elements of the new task. These get substituted into the task when the new task is run.

How to install ant contrib in a project?

To install ant-contrib: Copy ant-contrib-0.3.jarto the libdirectory of your Ant installation. If you want to use one of the tasks in your own project, add the lines to your build file. Keep ant-contrib-0.3.jarin a separate location.

Can you use a list as a property in ant?

Lists as property values are not supported by Ant natively. So we have to see how other tasks use lists. The most famous task using lists is Ant-Contrib’s . All list elements are concatenated and separated with a customizable separator (default , ). So we do the following:

How to unify properties, filesets and paths in ant?

Ant itself is platform independent and can therefore run on filesystems with slash (/, e.g. Linux) or backslash (, e.g. Windows) as path separator. Therefore we have to unify that. If we find our file, we create an absolute path representation on //5, so that we can use that information without knowing the basedir.

Why do you need custom task in ant?

By contrast a custom ant task allows you to write in a real language (Java), with a real IDE, where you can write unit tests to make sure you have the behavior you want, and then make a clean declaration in your build script about the behavior you want. This rant only matters if you care about writing maintainable ant scripts.